:root {
  /* Colors - Deep Slate & Electric Indigo Theme */
  --bg-dark: #0a0a0c;
  --bg-card: #16161a;
  --bg-card-hover: #1c1c22;
  --accent-primary: #6366f1;
  --accent-secondary: #a855f7;
  --accent-tertiary: #ec4899;
  --text-main: #ffffff;
  --text-muted: #94a3b8;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.03);
  
  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --fs-h1: 36px;
  --fs-h2: 24px;
  --fs-body: 16px;
  
  /* Spacing & Radii */
  --gap: 24px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --padding-card: 40px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-main);
  line-height: 1.5;
  overflow: hidden; /* Requirement: no scrolling */
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bento-container {
  width: 100%;
  max-width: 1600px;
  height: 800px;
  padding: var(--gap);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(12, 1fr);
  gap: var(--gap);
}

/* Base Card Styling */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--padding-card);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Typography Classes */
.card-title {
  font-size: var(--fs-h1);
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.2;
}

.card-subtitle {
  font-size: var(--fs-h2);
  font-weight: 400;
  color: var(--text-muted);
  margin-bottom: 24px;
  max-width: 90%;
}

.card-content {
  flex-grow: 1;
}

/* Specific Card Placements */

/* 1. Webinar (Primary - Large) */
.card-webinar {
  grid-column: 1 / 8;
  grid-row: 1 / 9;
  background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
  border-color: rgba(99, 102, 241, 0.2);
}

.card-webinar::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
  filter: blur(60px);
  opacity: 0.15;
}

/* 2. Use-case (Medium) */
.card-usecase {
  grid-column: 8 / 13;
  grid-row: 1 / 7;
  background: var(--bg-card);
}

/* 3. QA Ambassador (Medium) */
.card-qa {
  grid-column: 1 / 6;
  grid-row: 9 / 13;
  background: var(--bg-card);
}

/* 4. Mic Drop (Small/Compact) */
.card-micdrop {
  grid-column: 6 / 13;
  grid-row: 7 / 13;
  background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-tertiary) 100%);
  color: white;
}

.card-micdrop .card-subtitle, 
.card-micdrop .card-title {
  color: white;
}

/* Forms & Inputs */
.form-group {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-field {
  background: var(--glass-bg);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: white;
  font-family: inherit;
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}

.input-field:focus {
  border-color: var(--accent-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
  font-size: 16px;
  gap: 8px;
}

.btn-primary {
  background: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background: #4f46e5;
  transform: scale(1.02);
}

.btn-white {
  background: white;
  color: black;
}

.btn-white:hover {
  background: #f8fafc;
  transform: scale(1.02);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: white;
}

.btn-outline:hover {
  background: var(--glass-bg);
  border-color: white;
}

/* Decorative Elements */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-primary);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  width: fit-content;
}

.mic-drop-badge {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.placeholder-visual {
  width: 100%;
  height: 180px;
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border-subtle);
}

.icon-box {
  width: 48px;
  height: 48px;
  background: var(--glass-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.card-micdrop .icon-box {
  background: rgba(255, 255, 255, 0.2);
}

.stats-row {
  display: flex;
  gap: 32px;
  margin-top: 32px;
}

.stat-item .label {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-item .value {
  font-size: 24px;
  font-weight: 600;
}